package jdbc;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

//执行关联查询
public class JDBCDemo6 {
    public static void main(String[] args) {
        try(Connection connection =DBUtil.getConnection();) {
            Statement statement = connection.createStatement();
            String sql="SELECT t.gender,t.name,c.name,c.floor  "+
                    "FROM teacher t " +
                    "JOIN class c ON t.id=c.teacher_id " +
                    "WHERE t.name='王克晶'";
            ResultSet rs=statement.executeQuery(sql);
            while(rs.next()){
                String tGender=rs.getString("t.gender");
                String cName=rs.getString("c.name");
                String tName=rs.getString("t.name");
               int floor=rs.getInt("c.floor");
                System.out.println(tGender+" "+tName+" "+cName+" "+floor);
            }

        } catch (Exception e) {
            e.printStackTrace();

        }
    }
}
